Public Static Function OpenAsync(filePath As String, accessMode As FileAccessMode, sharingOptions As StorageOpenOptions, openDisposition As FileOpenDisposition) As IAsyncOperation( Of IRandomAccessStream )

Public Static Function OpenForUserAsync(user As User, filePath As String, accessMode As FileAccessMode, sharingOptions As StorageOpenOptions, openDisposition As FileOpenDisposition) As IAsyncOperation( Of IRandomAccessStream )

Public Static Function OpenTransactedWriteForUserAsync(user As User, filePath As String, openOptions As StorageOpenOptions, openDisposition As FileOpenDisposition) As IAsyncOperation( Of StorageStreamTransaction )